An Oracle ACFS file system is installed as a dynamically loadable vendor operating system (OS) file system driver and tool set that is developed for each supported operating system platform. The driver is implemented as a Virtual File System (VFS) and processes all file and directory operations directed to a specific file system.
Errors encountered by the drivers are written to the native operating system console and system event loggers. Refer to "Understanding Oracle ACFS I/O Failure Console Messages".